170112-N-RX668-013 NEWPORT, R.I. (Jan. 12, 2017) Rear Adm. Jeffrey A. Harley, right, president, U.S. Naval War College (NWC), looks at artifacts from World War I with Nat Sims during the first Maritime History Symposium held at NWC. The symposium was hosted by NWC's Maritime History Center and covered various U.S. naval strategies used during the World War I. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jess Lewis/Released)